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ESP32 Smarthome

Currently on hiatus

Current prototype

Image of the project

Web-interface made with Grafana to see the data visualised. Grafana-dashboard

Basics

This project aims to create a smarthome-system that can measure, control & show various useful information, such as temperature and important local events. The exact featureset is yet to determined. :)

Hardware

Currently I use the following hardware-stuff to make this project tick. There's more stuff to be added later.

Software

I write the code in C++ and use ESP32 Arduino-framework as a base for functionality. Some of the other stuff used include...

  • PlatformIO for project-management, library-management, flashing and so on.
  • Arduino libraries for accessing the sensors, controlling the LCD, parsing JSON and so on

Features

  • Polling of Dallas DS18B20 for my apartment's temperature
  • Using WiFi to connect to Internet to access OpenWeatherMap via their API to get the weather of my city
  • Displaying all the useful data on the 1602 LCD
  • Time-display based on NTP
  • Sending the data over the Internet to Influxdb-database. I have a separate Grafana-instance that can show graphs of the data on a browser

Planned features

  • Replace Dallas DS18B20 temperature sensor with a Bosch BME680 that is more accurate and does humidity, pressure & gas too
  • Implement proper multithreaded code where different tasks (Sensor-polling, time, API-access etc) run separately and share data as necessary
  • More?